.page-contact {
  --ct-narrow: 900px;
  --ct-text-soft: #C7DED8;
  --ct-text-soft-light: #48605A;
  --ct-rail-grad: linear-gradient(180deg, #2BE3C6 0%, #14624F 52%, #0C1F1B 100%);
  --ct-line: rgba(43, 227, 198, 0.16);
  --ct-line-jade: rgba(20, 98, 79, 0.22);
  background: var(--ink-900);
  color: var(--text-dark);
  font-family: var(--font-body);
  padding-bottom: 8px;
}

/* ---------- 面包屑 ---------- */
.page-contact .ct-crumb {
  padding: 18px 0 2px;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding: 26px 0 40px;
  background:
    radial-gradient(1100px 560px at 84% -12%, rgba(43, 227, 198, 0.15), transparent 62%),
    radial-gradient(820px 480px at 4% 108%, rgba(20, 98, 79, 0.38), transparent 66%);
}

.page-contact .ct-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-contact .ct-overline {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan-500);
  margin: 0 0 14px;
}

.page-contact .ct-hero__title {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(2rem, 7.4vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  color: var(--text-dark);
  overflow-wrap: break-word;
}

.page-contact .ct-lede {
  font-size: 16px;
  line-height: 1.86;
  color: var(--ct-text-soft);
  margin: 0 0 24px;
  max-width: 60ch;
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 30px;
}

.page-contact .ct-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px 20px;
  margin: 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-stat {
  margin: 0;
  min-width: 0;
}

.page-contact .ct-stat__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.5rem;
  line-height: 1.2;
  color: var(--cyan-500);
  margin: 0 0 6px;
}

.page-contact .ct-stat__lab {
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist-400);
  margin: 0;
}

/* ---------- 订阅卡 ---------- */
.page-contact .ct-subcard {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--ink-800);
  border: 1px solid var(--ct-line);
  box-shadow: 0 26px 64px rgba(0, 0, 0, 0.4);
}

.page-contact .ct-subcard__rail {
  position: absolute;
  inset: 0 auto 0 0;
  width: 6px;
  background: var(--ct-rail-grad);
}

.page-contact .ct-subcard__body {
  padding: 26px 22px 22px 30px;
}

.page-contact .ct-subcard__title {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.35rem;
  line-height: 1.4;
  letter-spacing: -0.015em;
  margin: 14px 0 16px;
  color: var(--text-dark);
}

.page-contact .ct-subcard__list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .ct-subcard__list li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--ct-text-soft);
}

.page-contact .ct-subcard__key {
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-xs);
  border: 1px solid var(--ct-line);
  background: rgba(43, 227, 198, 0.08);
  color: var(--cyan-500);
  font-size: 12px;
  font-weight: 700;
}

.page-contact .ct-subcard__list strong {
  color: var(--text-dark);
  font-weight: 700;
}

.page-contact .ct-subcard__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist-400);
}

.page-contact .ct-subcard__media {
  padding: 0 18px 18px 30px;
}

.page-contact .ct-subcard__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius-m);
}

/* ---------- 章节通用 ---------- */
.page-contact .ct-section {
  padding: 52px 0;
  position: relative;
}

.page-contact .ct-section--paper {
  background: var(--paper-50);
  color: var(--text-light);
}

.page-contact .ct-section--paper .section-title {
  color: var(--text-light);
}

.page-contact .ct-section--paper .section-num {
  color: var(--jade-600);
}

.page-contact .ct-section__lead {
  font-size: 16px;
  line-height: 1.85;
  color: var(--ct-text-soft);
  max-width: 68ch;
  margin: 0 0 26px;
}

.page-contact .ct-section--paper .ct-section__lead {
  color: var(--ct-text-soft-light);
}

.page-contact .ct-grid-2 {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-contact .ct-block {
  background: var(--ink-800);
  border: 1px solid var(--ct-line);
  border-radius: var(--radius-l);
  padding: 24px 22px;
  min-width: 0;
}

.page-contact .ct-section--paper .ct-block {
  background: var(--paper-100);
  border-color: var(--ct-line-jade);
  color: var(--text-light);
}

.page-contact .ct-block__lead {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.08rem;
  line-height: 1.55;
  letter-spacing: -0.01em;
  color: var(--cyan-500);
  margin: 0 0 12px;
}

.page-contact .ct-section--paper .ct-block__lead {
  color: var(--jade-600);
}

.page-contact .ct-block__title {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.08rem;
  line-height: 1.55;
  letter-spacing: -0.01em;
  color: var(--text-dark);
  margin: 0 0 14px;
}

.page-contact .ct-body {
  font-size: 15px;
  line-height: 1.82;
  color: var(--ct-text-soft);
  margin: 0;
}

.page-contact .ct-section--paper .ct-body {
  color: var(--ct-text-soft-light);
}

.page-contact .ct-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .ct-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ct-text-soft);
}

.page-contact .ct-section--paper .ct-list li {
  color: var(--ct-text-soft-light);
}

.page-contact .ct-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 2px;
  background: var(--cyan-500);
}

.page-contact .ct-section--paper .ct-list li::before {
  background: var(--jade-600);
}

.page-contact .ct-block--figure {
  padding: 18px;
}

.page-contact .figure {
  margin: 0;
}

.page-contact .figure__media {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-m);
  object-fit: cover;
}

.page-contact .figure__caption {
  margin: 12px 4px 2px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist-400);
}

.page-contact .ct-section--paper .figure__caption {
  color: var(--ct-text-soft-light);
}

.page-contact .ct-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* ---------- 反馈步骤 ---------- */
.page-contact .ct-steps {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .ct-steps li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ct-text-soft-light);
}

.page-contact .ct-steps__num {
  font-size: 12px;
  font-weight: 700;
  color: var(--jade-600);
  padding-top: 0.22em;
}

/* ---------- 合作轨道 ---------- */
.page-contact .ct-tracks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .ct-track {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 2px 18px;
  padding: 20px 22px;
  border-radius: var(--radius-l);
  background: linear-gradient(100deg, rgba(20, 98, 79, 0.5) 0%, rgba(12, 31, 27, 0.72) 70%);
  border: 1px solid var(--ct-line);
}

.page-contact .ct-track__num {
  grid-row: 1 / 3;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-pill);
  background: var(--cyan-500);
  color: var(--ink-900);
  font-size: 12.5px;
  font-weight: 700;
  align-self: start;
}

.page-contact .ct-track__title {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.12rem;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--text-dark);
  margin: 0;
}

.page-contact .ct-track p {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ct-text-soft);
}

/* ---------- 联系信息 ---------- */
.page-contact .ct-contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .ct-contact-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 20px 0;
  border-bottom: 1px dashed var(--ct-line-jade);
}

.page-contact .ct-contact-item:first-child {
  border-top: 1px dashed var(--ct-line-jade);
}

.page-contact .ct-contact__k {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--jade-600);
}

.page-contact .ct-contact__v {
  font-family: var(--font-mono);
  font-size: clamp(0.98rem, 3.4vw, 1.3rem);
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--text-light);
  overflow-wrap: break-word;
  word-break: break-word;
}

.page-contact .ct-contact__note {
  font-size: 14px;
  line-height: 1.78;
  color: var(--ct-text-soft-light);
  max-width: 74ch;
}

/* ---------- 疑问胶囊 ---------- */
.page-contact .ct-chips {
  list-style: none;
  margin: 0;
  padding: 0 0 8px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-contact .ct-chips li {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.page-contact .ct-chip {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(43, 227, 198, 0.34);
  background: rgba(43, 227, 198, 0.06);
  color: var(--cyan-500);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .ct-chip:hover,
.page-contact .ct-chip:focus-visible {
  background: rgba(43, 227, 198, 0.18);
  border-color: var(--cyan-500);
}

/* ---------- 版本时间线 ---------- */
.page-contact .ct-timeline {
  margin-top: 28px;
  padding: 18px 20px;
  border-radius: var(--radius-l);
  background: var(--ink-800);
  border: 1px solid var(--ct-line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 24px;
}

.page-contact .ct-timeline__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
}

.page-contact .ct-timeline__list li {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--ct-text-soft);
}

.page-contact .ct-timeline__list .ct-mono {
  color: var(--cyan-500);
  margin-right: 6px;
}

/* ---------- 等宽工具类 ---------- */
.page-contact .ct-mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .ct-section {
    padding: 64px 0;
  }

  .page-contact .ct-block {
    padding: 28px 26px;
  }

  .page-contact .ct-track {
    grid-template-columns: 52px minmax(0, 1fr);
    padding: 22px 26px;
  }

  .page-contact .ct-track__num {
    width: 42px;
    height: 42px;
  }

  .page-contact .ct-contact-item {
    grid-template-columns: 110px minmax(0, 1fr);
    align-items: baseline;
    gap: 4px 20px;
  }

  .page-contact .ct-contact__note {
    grid-column: 2 / 3;
  }
}

@media (min-width: 960px) {
  .page-contact .ct-hero {
    padding: 34px 0 52px;
  }

  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.84fr);
    gap: 48px;
    align-items: start;
  }

  .page-contact .ct-subcard {
    margin-top: 8px;
  }

  .page-contact .ct-grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
  }

  .page-contact .ct-section__lead {
    margin-bottom: 32px;
  }

  .page-contact .ct-tracks {
    gap: 18px;
  }
}

@media (min-width: 1180px) {
  .page-contact .ct-subcard__body {
    padding: 30px 26px 24px 34px;
  }

  .page-contact .ct-subcard__media {
    padding: 0 22px 22px 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-chip {
    transition: background 0.12s linear, border-color 0.12s linear;
  }
}
</main>